ARM: bcm2835: add SDHCI node to DT

Add the SDHCI device node to the SoC DT file. Add a dummy fixed-clock
to satisfy the SDHCI driver's clock lookup; eventually this should be
replaced by a real clock implementation. Add board specific properties
to the Raspberry Pi board file.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>

2 files changed, 19 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/bcm2835-rpi-b.dts b/arch/arm/boot/dts/bcm2835-rpi-b.dts
index 6ff26f99cacd..0544ef860623 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-b.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-b.dts
@@ -24,3 +24,8 @@
                 brcm,function = <7>; /* alt3 */
         };
 };
+
+&sdhci {
+        status = "okay";
+        bus-width = <4>;
+};
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 8917550fd1bb..1d7e4f5c0b1e 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -63,5 +63,19 @@
                         interrupt-controller;
                         #interrupt-cells = <2>;
                 };
+
+                sdhci: sdhci {
+                        compatible = "brcm,bcm2835-sdhci";
+                        reg = <0x7e300000 0x100>;
+                        interrupts = <2 30>;
+                        clocks = <&clk_mmc>;
+                        status = "disabled";
+                };
+        };
+
+        clk_mmc: clock {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <100000000>;
         };
 };